Thermostatic tankless water heater cover



FIG. 1 is a top front perspective view of our new design for a thermostatic tankless water heater cover;

FIG. 2 is a bottom back perspective view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a right elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a back elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom view thereof. 

CLAIM The ornamental design for a thermostatic tankless water heater cover, as shown and described. 